Physicists believe they may have found the culprit that produces the phenomena we ascribe to Dark Matter. It’s not proven yet, but the evidence is growing. The culprit is a fourth type of neutrino. This fourth is called a ‘sterile neutrino’ because it is not affected by the weak force.
When Henry Cavendish died in 1810, the first trains running on rail lines were barely in existence yet the work and findings of this British physicist and chemist became integral to the understanding and exploration of space two centuries later. He literally weighed our way into history.
In a landmark experiment at CERN with the Large Hadron Collider, scientists have recreated conditions that existed just nanoseconds after the big bang. Using heavy lead ions rather than light hydrogen ions, the results offered some surprises, and put some theories out to pasture.
How galaxies are formed is not clearly understood, though various theories have been proposed. Following the formation of the first galaxies, early in the Universe’s history, mergers and interactions are thought to have played a major role in the evolution of the types of galaxy we observe today.
Recently, scientists have hypothesized the existence of a new and fundamentally different type of star. The quark star exists somewhere between the neutron star and the black hole.
Hot and cold dark matter are the two key elements in modern cosmology’s quest to understand how our universe formed as we see it today. Much effort is being expended to determine whether 23% of the universe, which is attributed to dark matter, is either hot or cold.
The Cold Dark Matter model is one of the most accepted models proposed to overcome the short comings of Hot Dark Matter theory in the evolution of the Universe. Read on the find the problems with CDM: Cold Dark Matter.
Dark matter and dark energy comprise 96% of our universe. Let’s take a look at how these ingredients differ from one another and their effect upon the visible universe.
What is the age of the Universe? It is a question which appeals to people from all backgrounds. Both the atheists and believers are trying to find an answer to this question. If you’ve ever wondered just how old the Universe is take a look at this article.
